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Forum: Factoring 2020-11-26, 15:29
Replies: 800
Views: 59,424
Posted By lavalamp
I will definitely look into AVX-ECM, hopefully...

I will definitely look into AVX-ECM, hopefully there are some EXEs for Ryzen/Windows to be had.

The way I am running these curves at the moment is I have a RTX 2070 GPU running stage 1 (with a...
Forum: Factoring 2020-11-26, 05:19
Replies: 800
Views: 59,424
Posted By lavalamp
Due to the slow rate but large size of the...

Due to the slow rate but large size of the factors that have been popping out for me so far, I've decided to restart this at the 40 digit level, B1=3E6. It will clearly not be done by Christmas now,...
Forum: GMP-ECM 2020-11-24, 03:35
Replies: 5
Views: 242
Posted By lavalamp
Ah, thank-you for the alternate parameterization...

Ah, thank-you for the alternate parameterization code.

While I don't fully understand the code, I believe I've managed to translate it into pari/gp. In particular, nowhere seems to clarify exactly...
Forum: Factoring 2020-11-23, 15:29
Replies: 800
Views: 59,424
Posted By lavalamp
Follow up question, I just took a 41 digit bite...

Follow up question, I just took a 41 digit bite out of this number...
Forum: GMP-ECM 2020-11-23, 13:12
Replies: 5
Views: 242
Posted By lavalamp
How did you calculate this? Using the code...

How did you calculate this?

Using the code provided here (https://www.mersenneforum.org/showthread.php?t=14184) or using FactorDB to calculate it...
Forum: GMP-ECM 2020-11-23, 08:29
Replies: 5
Views: 242
Posted By lavalamp
Question Expected behaviour or bug? Higher B2 = missed factor

I've been doing some testing & tweaking with ECM settings for some numbers I'm crunching lately and have encountered this confusing behaviour. My understanding of ECM is fairly naive, essentially...
Forum: Factoring 2020-11-22, 23:49
Replies: 800
Views: 59,424
Posted By lavalamp
If no-one has any objection I will run some ECM...

If no-one has any objection I will run some ECM on the t2200 file at the 35 digit level, B1=1E6. I already ran 128 composites at the beginning of the file and found a few factors, but I've decided to...
Forum: Factoring 2020-10-23, 14:24
Replies: 800
Views: 59,424
Posted By lavalamp
Can anyone refresh my memory about the amount of...

Can anyone refresh my memory about the amount of effort put into the MWRB numbers? When it gets put back up I thought I might have a go at running some ECM, but I wouldn't know what size factors to...
Forum: Lounge 2020-09-20, 00:40
Replies: 1,644
Views: 56,916
Posted By lavalamp
drops Do rabbis or priests smoke?...

drops

Do rabbis or priests smoke? (https://www.reddit.com/r/funny/comments/ivypca/i_cant_think_of_a_title_because_im_laughing_so/)

rabbi
Forum: Hardware 2020-08-28, 03:07
Replies: 99
#2
Views: 8,266
Posted By lavalamp
The only way I can see this being dangerous is if...

The only way I can see this being dangerous is if the voltages supplied inside the computer are referenced to the "neutral" wire. So the "grounds" (black wires on molex/sata connectors) in the PC...
Forum: Hardware 2020-08-27, 23:19
Replies: 99
#2
Views: 8,266
Posted By lavalamp
As long as your EARTH (aka ground) pin is correct...

As long as your EARTH (aka ground) pin is correct you're fine. The case and anything metal you can touch is grounded with this pin.
Forum: Miscellaneous Math 2020-08-19, 02:39
Replies: 88
Views: 10,720
Posted By lavalamp
Well I just tried it with 24GB allocated to it...

Well I just tried it with 24GB allocated to it and it couldn't complete the first 2^p-1 instruction.

Edit: attached screenshot.
Forum: Miscellaneous Math 2020-08-19, 01:24
Replies: 88
Views: 10,720
Posted By lavalamp
How much RAM is big RAM?

How much RAM is big RAM?
Forum: Hardware 2020-08-16, 03:04
Replies: 99
#2
Views: 8,266
Posted By lavalamp
I had a computer with a gigabyte board, which...

I had a computer with a gigabyte board, which once was a moderately high end mini-ITX board, but was somewhat dated by this time, though still under warranty.

One day it turned off and wouldn't...
Forum: Hardware 2020-08-14, 10:29
Replies: 99
#2
Views: 8,266
Posted By lavalamp
And my least favourite. I'll never buy another...

And my least favourite. I'll never buy another gigabyte product as long as I live. :furious:
Forum: Hardware 2020-08-10, 15:37
Replies: 99
#2
Views: 8,266
Posted By lavalamp
I did see that case, I believe I rejected it due...

I did see that case, I believe I rejected it due to the drives not being vibration damped. I think some are, some aren't. In the end I went with a rackmount case which I THOUGHT had vibration...
Forum: Hardware 2020-08-10, 01:31
Replies: 99
#2
Views: 8,266
Posted By lavalamp
I looked at Be Quiet cases, along with many other...

I looked at Be Quiet cases, along with many other brands, Fractal, Coolermaster, ThermalTake etc. Sadly none of them give you many HDD slots these days. :sad:

I would have really loved a case that...
Forum: Hardware 2020-08-08, 17:30
Replies: 99
#2
Views: 8,266
Posted By lavalamp
I've just build a Ryzen 3900X system using an...

I've just build a Ryzen 3900X system using an X470D4U2-2T board, which explicitly supports ECC memory with the desktop Ryzen chips. Apparently all ASRock boards support ECC memory, but of course you...
Forum: Lounge 2019-12-24, 03:43
Replies: 1,644
Views: 56,916
Posted By lavalamp
firth "Frollicking" in river turns heads ...

firth

"Frollicking" in river turns heads

forth
Forum: Factoring 2019-12-20, 06:38
Replies: 800
Views: 59,424
Posted By lavalamp
A rather surprising result for this number in the...

A rather surprising result for this number in the t800 file:

(11678983384265232966613390730340859^7-1) / (p-1)...
Forum: Lounge 2019-12-15, 04:15
Replies: 1,644
Views: 56,916
Posted By lavalamp
Mogul Moronic orange gorilla undermines law....

Mogul

Moronic orange gorilla undermines law.

Moron
Forum: Factoring 2019-12-08, 19:23
Replies: 800
Views: 59,424
Posted By lavalamp
Woooo! New PB :grin: (p52^7 - 1)/(p52 - 1)...

Woooo! New PB :grin:

(p52^7 - 1)/(p52 - 1) (http://www.factordb.com/index.php?query=%28464731577596114204348798438062707107000729%5E7-1%29%2F464731577596114204348798438062707107000728) = 29 * 43 *...
Forum: Lounge 2019-12-07, 23:16
Replies: 17
Views: 1,340
Posted By lavalamp
I could use Francium in my bathtub removal...

I could use Francium in my bathtub removal business.
Forum: Msieve 2019-12-07, 19:13
Replies: 4
Views: 1,815
Posted By lavalamp
Ah yes, that did the trick thank-you. Seems...

Ah yes, that did the trick thank-you.

Seems a bit dangerous that nc2 deletes past progress then fails with an error instead of checking first to be honest. I'm very glad I made a manual backup...
Forum: Msieve 2019-12-07, 18:48
Replies: 4
Views: 1,815
Posted By lavalamp
Unhappy Help resuming linear algebra step

So, my machine had been running linear algebra for six and a half hours, with only 5 minutes to go I think, "It's close enough, I'll play some counter-strike while it finishes." I load the game and...
Showing results 1 to 25 of 1000

 
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